W. & R. Chambers
From The Arthur Conan Doyle Encyclopedia
W. & R. Chambers was a British publishing company founded in 1832 by William and Robert Chambers.
In 1899 and 1900, the company published, in book form, 2 short stories written by Arthur Conan Doyle.
See also their magazine Chambers's Journal.
Conan Doyle published by W. & R. Chambers